| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 5A40.00 | Induced Charge | | |
| 5A40.10 | charging by induction | PIRA 200 | Charging by induction using two balls on stands with an electroscope for a charge indicator. |
| 5A40.10 | charging by induction | E-1g | Charging by induction using two balls on stands. |
| 5A40.10 | electrostatic induction | Disc 17-01 | Use two metal spheres, a charged rod, and an electroscope. Animation shows charges. |
| 5A40.12 | induced charge | E-9 | Use electroscopes and proof planes to show charging by induction. |
| 5A40.13 | methods of electrostatic induction | Ea-16 | Various forms of conductors are separated in an electric field. |
| 5A40.15 | electroscope charging by induction | PIRA 1000 | |
| 5A40.15 | electroscope charging by induction | 5A40.15 | Use conductors on the top of two electroscopes that can be brought into contact to demonstrate charging by induction. |
| 5A40.15 | induction charging | Ea-11 | Large metal bars on two electroscopes are apart when charging by induction. |
| 5A40.16 | charging electroscope by induction | TPT 3(1),29 | Touch
the plate of an electroscope while holding a charged rod nearby. Next month
may contain answers to impertinent questions raised by high school students. |
| 5A40.16 | charging electroscope by induction | TPT 3(4),185 | Answer
to the question of an earlier Physics Teacher. Diagrams show how an electroscope
is charged when touched while a charged rod is brought near. |
| 5A40.16 | charging electroscope by induction | E-23 | Charge an electroscope by touching while holding a charged rod near. |
| 5A40.17 | electrostatic charging by induction | E-8 | Pith
balls touching both ends of a conductor are charged when a charged rod is
brought toward one end. Use another test charge to show the polarity at each
end. |
| 5A40.20 | can attracted to charged rod | PIRA 200 | A hoop of light aluminum is attracted to a charged rod. |
| 5A40.20 | charge propelled cylinder | 5A40.20 | |
| 5A40.20 | can attracted to charged rod | Ea-15 | A hoop of light aluminum is attracted to a charged rod. |
| 5A40.23 | charged ball attracted to ground | 29-1.15 | A metalized ball is attracted to a grounded aluminum sheet when a charge is applied to the ball. |
| 5A40.23 | suspended electrophorus disc | E-11 | Raise
an electrophorus. disc off the plate with a helical spring, touch the disc
to remove induced charge, and show the spring lengthens. |
| 5A40.24 | blow soap bubbles at Van de Graaff | AJP 44(6),606 | Blow neutral soap bubbles at a Van de Graaff generator for intriguing induction effects. Try double bubbles. |
| 5A40.25 | paper sticks on board | PIRA 1000 | |
| 5A40.25 | paper sticks on the board | E-15 | Hold a piece of paper on a slate blackboard and rub it with fur. |
| 5A40.25 | rub paper | E-5b | Rub paper with cat fur while holding it on the board. |
| 5A40.26 | familiarity breeds contempt | E-6 | Cork filings are first attracted to a charged rod by induced charge, then repelled as they become charged by conduction. |
| 5A40.30 | 2" x 4" | PIRA 500 | |
| 5A40.30 | 2" x 4" | 5A40.30 | Induced charge is used to move a 2x4 balanced on a watch glass. |
| 5A40.30 | conductivity of a "two by four" | Ea-17 | Rotate a 2x4 by bringing a charged rod close. |
| 5A40.30 | wooden needle | Disc 17-06 | The "needle" is a six foot 2X4. |
| 5A40.35 | metal rod attraction | PIRA 500 | |
| 5A40.35 | metal rod attraction | Disc 17-02 | Place a metal rod on a pivot and show attraction to both positive and negative charged rods. |
| 5A40.36 | forces between electrodes | Ec-5 | A ball on a flexible rod is attracted to an electrostatic generator by the induced charge. |
| 5A40.40 | deflection of a stream of water | PIRA 500 | |
| 5A40.40 | deflection of a stream of water | 5A40.40 | A charged rod deflects a stream of water. |
| 5A40.40 | deflection of a water stream | Ea-12 | A charged rod is held near a stream water flowing from a nozzle. |
| 5A40.42 | deflection of water stream | E-41 | At
different ranges the water stream 1) the jet is smooth from nozzle to sink,
2) is attracted to the rod, 3) breaks up into small drops. |
| 5A40.43 | Raleigh fountain | Ea-13 | A charged rod held near a stream of water directed upward breaks it into drops. |
| 5A40.60 | electrostatic generator principles | PIRA 1000 | |
| 5A40.60 | electrostatic generator principles | 5A40.60 | Same as AJP 37(10),1067. |
| 5A40.60 | electrostatic generator principles | AJP 37(2),225 | Manipulate
two metal cans and move a metal ball back and forth to show how charging
by induction and charge transfers build up charge. |
| 5A40.60 | electrostatic generator principles | AJP 37(10),1067 | Two cans and two balls and cross your hands. |
| 5A40.70 | Kelvin water dropper | PIRA 500 | |
| 5A40.70 | Kelvin water dropper | 5A40.70 | Sparks are produced by falling water. |
| 5A40.70 | Kelvin water dropper | Ea-14 | Sparks are produced by water falling through two rings connected by an "x" arrangement to opposite receivers. |
| 5A40.70 | Kelvin water dropper | 29-1.24 | A simple Kelvin water dropper made with shower heads enclosed in cans. Diagram. |
| 5A40.70 | Kelvin water dropper | 29-1.23 | Explanation of and directions for building a Kelvin water dropper. Picture, construction details in appendix, p.1311. |
| 5A40.70 | Kelvin water dropper | E-25 | A diagram
and some construction details are given for the Kelvin water dropper. A "dry
water dropper" using steel balls is mentioned. |
| 5A40.70 | Kelvin water dropper | Disc 17-05 | A Kelvin water dropper discharges a small neon lamp. Animation sequence shows principles of operation. |
| 5A40.72 | Kelvin water dropper - ac | AJP 41(2),196 | The
Kelvin water dropper is extended to multiphase, multifrequency operation
by considering N streams and N cans. A five can version is shown. |
| 5A40.73 | almost Kelvin water dropper | 29-1.22 | Water drops through a paraffin coated funnel into a brass cup. The funnel and cup are connected to a electroscope. |